<template>
        <div style="width: 600px;margin: 60px auto;padding: 20px 50px;background: #fff">
            <h1 style="margin: 30px auto;text-align: center;">管理员登录</h1>
            <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="ruleForm.username"></el-input>
                </el-form-item>

                <el-form-item label="密码" prop="password">
                    <el-input v-model="ruleForm.password"></el-input>
                </el-form-item>

                <el-form-item>
                    <el-button type="primary" @click="submitForm('ruleForm')">登录</el-button>
                    <el-button @click="resetForm('ruleForm')">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
</template>

<script>
    export default {
        data() {
            return {
                ruleForm: {
                    username: 'root',
                    password: '123456',
                },
                rules: {
                    username: [
                        {required: true, message: '请输入用户名', trigger: 'blur'},
                        {min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur'}
                    ],
                    password: [
                        {required: true, message: '请输入密码', trigger: 'blur'},
                        {min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur'}
                    ]
                }
            };
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        this.$refs[formName].validate((valid) => {
                            if (valid) {
                                let url = 'http://localhost:9181/admin/login';
                                console.log('url = ' + url);

                                let formData = this.qs.stringify(this.ruleForm);
                                console.log('formData = ' + formData);

                                this.axios.post(url, formData).then((response) => {
                                    let jsonResult = response.data;
                                    if (jsonResult.state == 20000) {
                                        this.$message({
                                            message: '登录成功！',
                                            type: 'success'
                                        });
                                        let jwt = jsonResult.data;
                                        localStorage.setItem('localJwt', jwt);
                                        this.$router.push('/');
                                    } else {
                                        this.$alert(jsonResult.message, '错误', {
                                            confirmButtonText: '确定',
                                            callback: action => {
                                            }
                                        });
                                    }
                                });
                            } else {
                                console.log('error submit!!');
                                return false;
                            }
                        });
                    } else {
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
            resetForm(formName) {
                this.$refs[formName].resetFields();
            }
        }
    }
</script>
<style>
    body {
        background: #2c3e50;
    }
</style>